Date: Fri, 16 May 1997 19:00:56 -0700 From: Amancio Hasty <hasty@rah.star-gate.com> To: fyeung@fyeung8.netific.com (Francis Yeung) Cc: pete@sms.fi, multimedia@FreeBSD.ORG Subject: Re: real time mpg3 encoder? Message-ID: <199705170200.TAA07736@rah.star-gate.com> In-Reply-To: Your message of "Fri, 16 May 1997 14:37:04 PDT." <9705162137.AA14669@fyeung8.netific.com>
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Actually, mpeg1 layer 3 is very very nice codec for cool audio broadcasts it is much better than PCM 8) Now the other missing piece is a high performance video codec and for now H.263 is out. Cheers, Amancio >From The Desk Of Francis Yeung : > > Pete, > > Thank you for the education. > > Now, I understand. > > You folks are talking about MPEG1 layer 3 audio streams and > players. MPEG1 audio can be encoded in 3 standards called layers. > MPEG2 can also support MPEG1 audio. MPEG2 audio added surround sound > with 5.1 channels. DVD uses MPEG2 video but MPEG2 audio only in > Europe, Dolby AC3 audio in the US. In the past, most MPEG (1 > and 2) players and encoders are for layer 1 and 2. Layer 3 is for > low bit rate encoding and only until recently people are using layer > 3 to stream high quality audio on Internet. > > Many thanks. > > Francis > > > > From root@fyeung25.netific.com Fri May 16 14:26 PDT 1997 > > Date: Fri, 16 May 1997 21:36:51 +0300 (EEST) > > From: Petri Helenius <pete@sms.fi> > > To: fyeung@fyeung8.netific.com (Francis Yeung) > > Cc: hasty@rah.star-gate.com, multimedia@FreeBSD.ORG > > Subject: Re: real time mpg3 encoder? > > > > > > Francis Yeung writes: > > > > > > Greetings, > > > > > > Correct me if I am wrong. > > > > > > I thought MPEG 3 is dead and MPEG 4 is the way to do. > > > > > As I said, there is no MPEG-3. But there is MPEG Audio Layer-3. > > > > MPEG-4 is a low-bandwidth video codec. > > > > Pete > > > > > >
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